This is an anthology series where each season features a new storyline and actors playing different characters.
For the first season, John Ridley came up with the idea of Felicity Huffman, who has naturally blue eyes, wearing brown contacts for the part for the added effect of giving her shark eyes. Her character was shut down and became somewhat impenetrable.
John Ridley was so impressed with Lili Taylor's performance on the first season, in which he didn't envisioned as an important role, that he was determined to have her back for season 2 with a lead part.
In the first season, Richard Cabral's character Hector Tonz talks about how he would like to work with computers as a job. That's exactly what his character, Sebastian, does for a living on season two.